Dear Sir Madam, Structure:Sprial:Alloy steel Coatings:Other Product name:Ball Spracy Grade:2 3 4 Nominal axial diameter:16-150 Torsion clearance:P0 P1 P2 Static load:8.1-221.3KN External diameter:23-135 Oil hole:2-5 Position of oil hole:13-55 Depth of counter bore:4.4-17.5 Quality:High Precision